Cutter wheel



FIG. 1 is a top perspective view of a cutter wheel.

FIG. 2 is a front view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a sectional view taken along 4--4 on thereof;

FIG. 5 is a plan view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a cutter wheel, as shown and described. 